two questions

[Peter Green]

On Sat, Nov 13, 1999 at 12:40:34AM +0900, sharkey@ale.physics.sunysb.edu wrote:
> > Machine 'A' has the Realtek. Pinging B->A yields the following with tcpdump
> > on A:
> > 
> > 09:47:55.568312 P [|llc]
> > 0:0:0:0:0:0:0:0:0:0:0:1 0004 0:
> > 
> > One of those per ping. Pinging A->B yields the following with tcpdump on A:
> > 
> > 09:48:00.789675 M 6e:3a:20:52:4f:4f 1:0:0:0:0:0 5420 14:
> > 
> > although I think that was coincidental. Subsequent pings show nothing.
> 
> That's really weird.  I may be interpreting that incorrectly, but doesn't
> that mean that the card is advertising itself as having hardware address
> 1? 

Dunno; this was all of my second excursion with tcpdump.

> What does the hardware address for the realtek appear to be when you
> type "ifconfig"?

00:00:E8:68:10:07 -- the really weird this is that the address above
(6e:3a:20:52:4f:4f) is nowhere to be found on the network.

> So the arp is failing.  If the arp is failing, ping is meaningless.
> 
> You can bypass arp by setting the entry in the arp cache manually, but I'm
> not sure what that would tell you if you tried to do that...

I tried this with `arp -s rh6devel.gf.gospelcom.net 00:00:e8:68:10:07`
(which was accepted) with no results. :-(

/pg
-- 
Peter Green
Gospel Communications Network, SysAdmin
pcg@gospelcom.net
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